Texturing problem looks like broken image
You seem to have two identical shapes and polygons in exactly the same places. One set of polygons has the texture and the other doesn't. Double-check this by right-click selecting anything in that space. Then press M and 2 moving whatever was selected to Layer 2. Whatever geometry stays behind will tell you which object, textured or not, you selected.

X Delete what's not needed. If what you needed was moved to the second Layer, press 2 along the number row (not numpad) and Right-Click select it and press M and 1 to move it to the first layer.

Blender Render and Cycles do not play well with sheets of polygons in identical locations.